by admin | May 31, 2015 | sem3
deforestation Deforestation is the permanent destruction of indigenous forests and woodlands. The term does not include the removal of industrial forests such as plantations of gums or pines. Deforestation has resulted in the reduction of indigenous forests to...
by admin | May 31, 2015 | sem3
forest resources use and overexploitation In India, forests form 23 percent of the total land area. The word ‘forest’ is derived from the Latin word ‘foris’ means ‘outside’ (may be the reference was to a village boundary or fence separating the village and the forest...
by admin | May 29, 2015 | sem3
soil waste management Solid waste management is a polite term for garbage management. As long as liumans have been living in settled communities, solid waste, or garbage, has been an issue, and modern societies generate far more solid waste than early humans ever did....
by admin | May 29, 2015 | sem3
Chemical composition of the atmosphere The early Greeks considered “air” to be one of four elementary substances; along with earth, fire, and water, air was viewed as a fundamental component of the universe. By the early 1800s, however, scientists such as...
by admin | May 29, 2015 | sem3
India as a mega-diversity nation India, the largest democratic republic of the world, has the seventh largest area (328.73 million ha) and second largest human population (more than 1 billion). With about 2.5% of the world’s geographical and 1.8% of the forest area,...
by admin | May 29, 2015 | sem3
ex-situ conservation Ex-situ conservation is the preservation of components of biological diversity outside their natural habitats. This involves conservation of genetic resources, as well as wild and cultivated or species, and draws on a diverse body of techniques...
